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qt5base-lts/tests/auto/widgets/kernel/qgridlayout/tst_qgridlayout.cpp
Jani Heikkinen 83a5694dc2 Update copyright headers 
Qt copyrights are now in The Qt Company, so we could update the source
code headers accordingly. In the same go we should also fix the links to
point to qt.io.

Outdated header.LGPL removed (use header.LGPL21 instead)

Old header.LGPL3 renamed to header.LGPL3-COMM to match actual licensing
combination. New header.LGPL-COMM taken in the use file which were
using old header.LGPL3 (src/plugins/platforms/android/extract.cpp)

Added new header.LGPL3 containing Commercial + LGPLv3 + GPLv2 license
combination

Change-Id: I6f49b819a8a20cc4f88b794a8f6726d975e8ffbe
Reviewed-by: Matti Paaso <matti.paaso@theqtcompany.com>
2015-02-11 06:49:51 +00:00

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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qlayout.h>
#include <qapplication.h>
#include <qwidget.h>
#include <qproxystyle.h>
#include <qsizepolicy.h>
//#include <QtGui>
#include <QtWidgets/QLabel>
#include <QtWidgets/QLineEdit>
#include <QtWidgets/QRadioButton>
#include <QStyleFactory>
#include <QSharedPointer>
// Make a widget frameless to prevent size constraints of title bars
// from interfering (Windows).
static inline void setFrameless(QWidget *w)
{
Qt::WindowFlags flags = w->windowFlags();
flags |= Qt::FramelessWindowHint;
flags &= ~(Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
w->setWindowFlags(flags);
}
class tst_QGridLayout : public QObject
{
Q_OBJECT
public:
tst_QGridLayout();
virtual ~tst_QGridLayout();
public slots:
void initTestCase();
void cleanupTestCase();
void init();
void cleanup();
private slots:
void getItemPosition();
void itemAtPosition();
void badDistributionBug();
void setMinAndMaxSize();
void spacingAndSpacers();
void spacingsAndMargins();
void spacingsAndMargins_data();
void minMaxSize_data();
void minMaxSize();
void styleDependentSpacingsAndMargins_data();
void styleDependentSpacingsAndMargins();
void layoutSpacing_data();
void layoutSpacing();
void spacing();
void spacerWithSpacing();
void contentsRect();
void distributeMultiCell();
void taskQTBUG_27420_takeAtShouldUnparentLayout();
void taskQTBUG_40609_addingWidgetToItsOwnLayout();
void taskQTBUG_40609_addingLayoutToItself();
void replaceWidget();
private:
QWidget *testWidget;
QGridLayout *testLayout;
QWidget *w1;
QWidget *w2;
QWidget *w3;
QSpacerItem *sp;
QGridLayout *m_grid;
QWidget *m_toplevel;
};
tst_QGridLayout::tst_QGridLayout()
{
m_grid = 0;
m_toplevel = 0;
}
tst_QGridLayout::~tst_QGridLayout()
{
delete m_toplevel;
}
void tst_QGridLayout::initTestCase()
{
#ifdef Q_OS_WINCE //disable magic for WindowsCE
qApp->setAutoMaximizeThreshold(-1);
#endif
// Create the test class
testWidget = new QWidget(0);
testLayout = new QGridLayout(testWidget);
w1 = new QWidget(testWidget);
w1->setPalette(QPalette(Qt::red));
testLayout->addWidget(w1, 0, 0);
w2 = new QWidget(testWidget);
testLayout->addWidget(w2, 1, 1, 2, 2);
w2->setPalette(QPalette(Qt::green));
w3 = new QWidget(testWidget);
testLayout->addWidget(w3, 0, 1, 1, 2);
w3->setPalette(QPalette(Qt::blue));
sp = new QSpacerItem(4, 4);
testLayout->addItem(sp, 1, 3, 2, 1);
testWidget->resize( 200, 200 );
testWidget->show();
}
void tst_QGridLayout::cleanupTestCase()
{
delete testWidget;
testWidget = 0;
}
void tst_QGridLayout::init()
{
}
void tst_QGridLayout::cleanup()
{
}
void tst_QGridLayout::getItemPosition()
{
QLayoutItem *item;
int counter = 0;
bool seenW1 = false;
bool seenW2 = false;
bool seenW3 = false;
bool seenSpacer = false;
while ((item = testLayout->itemAt(counter))) {
QWidget *w = item->widget();
int r,c,rs,cs;
testLayout->getItemPosition(counter, &r, &c, &rs, &cs);
// qDebug() << "item" << counter << "has" <<r << c << rs << cs;
if (w == w1) {
QVERIFY(!seenW1);
seenW1 = true;
QCOMPARE(r, 0);
QCOMPARE(c, 0);
QCOMPARE(rs, 1);
QCOMPARE(cs, 1);
} else if (w == w2) {
QVERIFY(!seenW2);
seenW2 = true;
QCOMPARE(r, 1);
QCOMPARE(c, 1);
QCOMPARE(rs, 2);
QCOMPARE(cs, 2);
} else if (w == w3) {
QVERIFY(!seenW3);
seenW3 = true;
QCOMPARE(r, 0);
QCOMPARE(c, 1);
QCOMPARE(rs, 1);
QCOMPARE(cs, 2);
} else {
QVERIFY(!w);
QVERIFY(!seenSpacer);
seenSpacer = true;
QCOMPARE(r, 1);
QCOMPARE(c, 3);
QCOMPARE(rs, 2);
QCOMPARE(cs, 1);
}
++counter;
}
QCOMPARE(counter, 4);
QVERIFY(seenW1);
QVERIFY(seenW2);
QVERIFY(seenW3);
QVERIFY(seenSpacer);
}
void tst_QGridLayout::itemAtPosition()
{
void *table[4][5] = {
{ w1, w3, w3, 0, 0 },
{ 0, w2, w2, sp, 0 },
{ 0, w2, w2, sp, 0 },
{ 0, 0, 0, 0, 0 }
};
for (int row = 0; row < 4; ++row) {
for (int col = 0; col < 5; ++col) {
QLayoutItem *item = testLayout->itemAtPosition(row, col);
QVERIFY(item == table[row][col]
|| (item && item->widget() == table[row][col]));
}
}
}
#include "ui_sortdialog.h"
void tst_QGridLayout::badDistributionBug()
{
QDialog dialog;
Ui::SortDialog ui;
ui.setupUi(&dialog);
ui.gridLayout->setMargin(0);
ui.gridLayout->setSpacing(0);
ui.vboxLayout->setMargin(0);
ui.vboxLayout->setSpacing(0);
ui.okButton->setFixedHeight(20);
ui.moreButton->setFixedHeight(20);
ui.primaryGroupBox->setAttribute(Qt::WA_LayoutUsesWidgetRect);
ui.primaryGroupBox->setFixedHeight(200);
QSize minSize = dialog.layout()->minimumSize();
QCOMPARE(minSize.height(), 200);
}
void tst_QGridLayout::setMinAndMaxSize()
{
QWidget widget;
setFrameless(&widget);
QGridLayout layout(&widget);
layout.setMargin(0);
layout.setSpacing(0);
layout.setSizeConstraint(QLayout::SetMinAndMaxSize);
widget.show();
QWidget leftChild;
leftChild.setPalette(QPalette(Qt::red));
leftChild.setMinimumSize(100, 100);
leftChild.setMaximumSize(200, 200);
layout.addWidget(&leftChild, 0, 0);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumSize(), leftChild.minimumSize());
QCOMPARE(widget.maximumSize(), leftChild.maximumSize());
QWidget rightChild;
rightChild.setPalette(QPalette(Qt::green));
rightChild.setMinimumSize(100, 100);
rightChild.setMaximumSize(200, 200);
layout.addWidget(&rightChild, 0, 2);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumWidth(),
leftChild.minimumWidth() + rightChild.minimumWidth());
QCOMPARE(widget.minimumHeight(),
qMax(leftChild.minimumHeight(), rightChild.minimumHeight()));
QCOMPARE(widget.maximumWidth(),
leftChild.maximumWidth() + rightChild.maximumWidth());
QCOMPARE(widget.maximumHeight(),
qMax(leftChild.maximumHeight(), rightChild.maximumHeight()));
static const int colMin = 100;
layout.setColumnMinimumWidth(1, colMin);
QCOMPARE(layout.columnMinimumWidth(1), colMin);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumWidth(),
leftChild.minimumWidth() + rightChild.minimumWidth() + colMin);
QCOMPARE(widget.maximumWidth(),
leftChild.maximumWidth() + rightChild.maximumWidth() + colMin);
QCOMPARE(widget.minimumHeight(),
qMax(leftChild.minimumHeight(), rightChild.minimumHeight()));
QCOMPARE(widget.maximumHeight(),
qMax(leftChild.maximumHeight(), rightChild.maximumHeight()));
layout.setColumnStretch(1,1);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumWidth(),
leftChild.minimumWidth() + rightChild.minimumWidth() + colMin);
QCOMPARE(widget.maximumWidth(), QLAYOUTSIZE_MAX);
QCOMPARE(widget.minimumHeight(),
qMax(leftChild.minimumHeight(), rightChild.minimumHeight()));
QCOMPARE(widget.maximumHeight(),
qMax(leftChild.maximumHeight(), rightChild.maximumHeight()));
layout.setColumnStretch(1,0);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumWidth(),
leftChild.minimumWidth() + rightChild.minimumWidth() + colMin);
QCOMPARE(widget.maximumWidth(),
leftChild.maximumWidth() + rightChild.maximumWidth() + colMin);
QCOMPARE(widget.minimumHeight(),
qMax(leftChild.minimumHeight(), rightChild.minimumHeight()));
QCOMPARE(widget.maximumHeight(),
qMax(leftChild.maximumHeight(), rightChild.maximumHeight()));
layout.setColumnMinimumWidth(1, 0);
static const int spacerS = 250;
QSpacerItem *spacer = new QSpacerItem(spacerS, spacerS);
layout.addItem(spacer, 0, 1);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumWidth(),
leftChild.minimumWidth() + rightChild.minimumWidth() + spacerS);
QCOMPARE(widget.maximumWidth(), QLAYOUTSIZE_MAX);
QCOMPARE(widget.minimumHeight(),
qMax(qMax(leftChild.minimumHeight(), rightChild.minimumHeight()), spacerS));
QCOMPARE(widget.maximumHeight(),
qMax(leftChild.maximumHeight(), rightChild.maximumHeight()));
spacer->changeSize(spacerS, spacerS, QSizePolicy::Fixed, QSizePolicy::Minimum);
layout.invalidate();
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumWidth(),
leftChild.minimumWidth() + rightChild.minimumWidth() + spacerS);
QCOMPARE(widget.maximumWidth(),
leftChild.maximumWidth() + rightChild.maximumWidth() + spacerS);
layout.removeItem(spacer);
rightChild.hide();
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumSize(), leftChild.minimumSize());
QCOMPARE(widget.maximumSize(), leftChild.maximumSize());
rightChild.show();
layout.removeWidget(&rightChild);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumSize(), leftChild.minimumSize());
QCOMPARE(widget.maximumSize(), leftChild.maximumSize());
QWidget bottomChild(&widget);
bottomChild.setPalette(QPalette(Qt::green));
bottomChild.setMinimumSize(100, 100);
bottomChild.setMaximumSize(200, 200);
layout.addWidget(&bottomChild, 1, 0);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumHeight(),
leftChild.minimumHeight() + bottomChild.minimumHeight());
QCOMPARE(widget.minimumWidth(),
qMax(leftChild.minimumWidth(), bottomChild.minimumWidth()));
QCOMPARE(widget.maximumHeight(),
leftChild.maximumHeight() + bottomChild.maximumHeight());
QCOMPARE(widget.maximumWidth(),
qMax(leftChild.maximumWidth(), bottomChild.maximumWidth()));
bottomChild.hide();
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumSize(), leftChild.minimumSize());
QCOMPARE(widget.maximumSize(), leftChild.maximumSize());
bottomChild.show();
layout.removeWidget(&bottomChild);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.minimumSize(), leftChild.minimumSize());
QCOMPARE(widget.maximumSize(), leftChild.maximumSize());
}
class SizeHinter : public QWidget
{
public:
SizeHinter(const QSize &s, QWidget *parent = 0)
: QWidget(parent), sh(s) { }
SizeHinter(int w, int h, QWidget *parent = 0)
: QWidget(parent), sh(QSize(w,h)) {}
void setSizeHint(QSize s) { sh = s; }
QSize sizeHint() const { return sh; }
private:
QSize sh;
};
void tst_QGridLayout::spacingAndSpacers()
{
QWidget widget;
setFrameless(&widget);
QGridLayout layout(&widget);
layout.setMargin(0);
layout.setSpacing(0);
widget.show();
QSize expectedSizeHint;
SizeHinter leftChild(100,100);
leftChild.setPalette(QPalette(Qt::red));
layout.addWidget(&leftChild, 0, 0);
QApplication::sendPostedEvents(0, 0);
expectedSizeHint = leftChild.sizeHint();
QCOMPARE(widget.sizeHint(), expectedSizeHint);
SizeHinter rightChild(200,100);
rightChild.setPalette(QPalette(Qt::green));
layout.addWidget(&rightChild, 0, 2);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(rightChild.sizeHint(), QSize(200,100));
expectedSizeHint += QSize(rightChild.sizeHint().width(), 0);
QCOMPARE(widget.sizeHint(), expectedSizeHint);
layout.setColumnMinimumWidth(1, 100);
widget.adjustSize();
expectedSizeHint += QSize(100,0);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.sizeHint(), expectedSizeHint);
rightChild.hide();
QApplication::sendPostedEvents(0, 0);
expectedSizeHint -= QSize(rightChild.sizeHint().width(), 0);
QCOMPARE(widget.sizeHint(), expectedSizeHint);
layout.setColumnMinimumWidth(1, 0);
expectedSizeHint -= QSize(100, 0);
QCOMPARE(widget.sizeHint(), expectedSizeHint);
rightChild.show();
layout.removeWidget(&rightChild);
QApplication::sendPostedEvents(0, 0);
QCOMPARE(widget.sizeHint(), expectedSizeHint);
}
class Qt42Style : public QProxyStyle
{
Q_OBJECT
public:
Qt42Style() : QProxyStyle(QStyleFactory::create("windows"))
{
spacing = 6;
margin = 9;
margin_toplevel = 11;
}
virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,
const QWidget * widget = 0 ) const;
int spacing;
int margin;
int margin_toplevel;
};
int Qt42Style::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,
const QWidget * widget /*= 0*/ ) const
{
switch (metric) {
case PM_DefaultLayoutSpacing:
return spacing;
break;
case PM_DefaultTopLevelMargin:
return margin_toplevel;
break;
case PM_DefaultChildMargin:
return margin;
break;
default:
break;
}
return QProxyStyle::pixelMetric(metric, option, widget);
}
typedef QList<QPoint> PointList;
class SizeHinterFrame : public QLabel
{
public:
SizeHinterFrame(QWidget *parent = 0)
: QLabel(parent)
{
init(-1);
}
SizeHinterFrame(const QSize &s, int numPixels = -1)
: QLabel(0), sh(s) {
init(numPixels);
}
SizeHinterFrame(int w, int h)
: QLabel(0), sh(QSize(w,h))
{
init(-1);
}
void setSizeHint(const QSize &s) { sh = s; }
QSize sizeHint() const { return sh; }
void setMinimumSizeHint(const QSize &s) { msh = s; }
QSize minimumSizeHint() const { return msh; }
virtual int heightForWidth(int width) const;
void setNumberOfPixels(int numPixels) {
m_numPixels = numPixels;
QSizePolicy sp = sizePolicy();
sp.setHeightForWidth(m_numPixels != -1);
setSizePolicy(sp);
}
private:
void init(int numPixels = -1){
setText(QString::fromLatin1("(%1,%2)").arg(sh.width()).arg(sh.height()));
setFrameStyle(QFrame::Box | QFrame::Plain);
setNumberOfPixels(numPixels);
}
private:
QSize sh;
QSize msh;
int m_numPixels;
};
int SizeHinterFrame::heightForWidth(int width) const
{
// Special hack if m_numPixels == -2 then we report that we are heightForWidth aware, but we
// return sizeHint().width() so that it should be laid out as if we had't any hfw.
// This enables us to run the tests twice and to see if we get the same results with hfw as without hfw.
if (m_numPixels == -2) {
return sizeHint().height();
}
if (m_numPixels == -1 || width == 0) return -1;
// this widget should always cover the same amount of pixels (provided that we don't get any rounding errors)
return (m_numPixels)/width;
}
void tst_QGridLayout::spacingsAndMargins_data()
{
// input
QTest::addColumn<int>("columns");
QTest::addColumn<int>("rows");
QTest::addColumn<QSize>("sizehint");
// expected
QTest::addColumn<PointList>("expectedpositions");
int child_offset_y = 11 + 100 + 6 + 9 ;
QTest::newRow("1x1 grid") << 1 << 1 << QSize(100, 100)
<< (PointList() // toplevel
<< QPoint( 11, 11)
// children
<< QPoint( 20, child_offset_y)
);
QTest::newRow("2x1 grid") << 2 << 1 << QSize(100, 100)
<< (PointList() // toplevel
<< QPoint( 11, 11)
<< QPoint( 11 + 100 + 6, 11)
// children
<< QPoint( 20, child_offset_y)
<< QPoint( 20 + 100 + 6, child_offset_y)
);
QTest::newRow("3x1 grid") << 3 << 1 << QSize(100, 100)
<< (PointList() // toplevel
<< QPoint( 11, 11)
<< QPoint( 11 + 100 + 6, 11)
<< QPoint( 11 + 100 + 6 + 100 + 6, 11)
// children
<< QPoint( 20, child_offset_y)
<< QPoint( 20 + 100 + 6, child_offset_y)
<< QPoint( 20 + 100 + 6 + 100 + 6, child_offset_y)
);
child_offset_y = 11 + 9 + 100 + 6 + 100 + 6;
QTest::newRow("1x2 grid") << 1 << 2 << QSize(100, 100)
<< (PointList() // toplevel
<< QPoint( 11, 11)
<< QPoint( 11, 11 + 100 + 6)
// children
<< QPoint( 20, child_offset_y)
<< QPoint( 20, child_offset_y + 100 + 6)
);
#if defined (Q_OS_WINCE) //There is not enough screenspace to run the test in original size on Windows CE. We use smaller widgets.
child_offset_y = 11 + 9 + 50 + 6 + 50 + 6 + 50 + 6;
QTest::newRow("1x3 grid") << 1 << 3 << QSize(50, 50)
<< (PointList() // toplevel
<< QPoint( 11, 11)
<< QPoint( 11, 11 + 50 + 6)
<< QPoint( 11, 11 + 50 + 6 + 50 + 6)
// children
<< QPoint( 20, child_offset_y)
<< QPoint( 20, child_offset_y + 50 + 6)
<< QPoint( 20, child_offset_y + 50 + 6 + 50 + 6)
);
#else
child_offset_y = 11 + 9 + 100 + 6 + 100 + 6 + 100 + 6;
QTest::newRow("1x3 grid") << 1 << 3 << QSize(100, 100)
<< (PointList() // toplevel
<< QPoint( 11, 11)
<< QPoint( 11, 11 + 100 + 6)
<< QPoint( 11, 11 + 100 + 6 + 100 + 6)
// children
<< QPoint( 20, child_offset_y)
<< QPoint( 20, child_offset_y + 100 + 6)
<< QPoint( 20, child_offset_y + 100 + 6 + 100 + 6)
);
#endif
child_offset_y = 11 + 9 + 100 + 6 + 100 + 6;
QTest::newRow("2x2 grid") << 2 << 2 << QSize(100, 100)
<< (PointList() // toplevel
<< QPoint( 11, 11)
<< QPoint( 11 + 100 + 6, 11)
<< QPoint( 11, 11 + 100 + 6)
<< QPoint( 11 + 100 + 6, 11 + 100 + 6)
// children
<< QPoint( 20, child_offset_y)
<< QPoint( 20 + 100 + 6, child_offset_y)
<< QPoint( 20, child_offset_y + 100 + 6)
<< QPoint( 20 + 100 + 6, child_offset_y + 100 + 6)
);
}
void tst_QGridLayout::spacingsAndMargins()
{
/*
The test tests a gridlayout as a child of a top-level widget,
and then a gridlayout as a child of a non-toplevel widget.
The expectedpositions should then contain the list of widget positions in the
first gridlayout, then followed by a list of widget positions in the second gridlayout.
*/
QFETCH(int, columns);
QFETCH(int, rows);
QFETCH(QSize, sizehint);
QFETCH(PointList, expectedpositions);
QApplication::setStyle(new Qt42Style);
QWidget toplevel;
setFrameless(&toplevel);
QVBoxLayout vbox(&toplevel);
QGridLayout grid1;
vbox.addLayout(&grid1);
// a layout with a top-level parent widget
QList<QPointer<SizeHinterFrame> > sizehinters;
for (int i = 0; i < rows; ++i) {
for (int j = 0; j < columns; ++j) {
SizeHinterFrame *sh = new SizeHinterFrame(sizehint);
sh->setMinimumSizeHint(sizehint);
sizehinters.append(sh);
grid1.addWidget(sh, i, j);
}
}
// Add the child widget
QWidget widget;
vbox.addWidget(&widget);
QGridLayout grid2;
widget.setLayout(&grid2);
// add a layout to the child widget
for (int i = 0; i < rows; ++i) {
for (int j = 0; j < columns; ++j) {
SizeHinterFrame *sh = new SizeHinterFrame(sizehint);
sh->setMinimumSizeHint(sizehint);
sizehinters.append(sh);
grid2.addWidget(sh, i, j);
}
}
grid1.setColumnStretch(columns-1, 1);
grid1.setRowStretch(rows-1, 1);
toplevel.showNormal();
toplevel.adjustSize();
QApplication::processEvents();
QVERIFY(QTest::qWaitForWindowExposed(&toplevel));
QSize topsize = toplevel.size();
QSize minimumsize = vbox.totalMinimumSize();
if (topsize.width() < minimumsize.width() || topsize.height() < minimumsize.height())
QSKIP("The screen is too small to run this test case");
// We are relying on the order here...
for (int pi = 0; pi < sizehinters.count(); ++pi) {
QPoint pt = sizehinters.at(pi)->mapTo(&toplevel, QPoint(0, 0));
QCOMPARE(pt, expectedpositions.at(pi));
}
}
struct SizeInfo {
SizeInfo(const QPoint &expected, const QSize &sh, const QSize &minimumSize = QSize(),
const QSize &maximumSize = QSize(), int numPixelsToCover = -1)
{
expectedPos = expected;
sizeHint = sh;
minSize = minimumSize;
maxSize = maximumSize;
hfwNumPixels = numPixelsToCover;
}
SizeInfo(const QRect &expected, const QSize &sh, const QSize &minimumSize = QSize(),
const QSize &maximumSize = QSize(), int numPixelsToCover = -1)
{
expectedPos = expected.topLeft();
expectedSize = expected.size();
sizeHint = sh;
minSize = minimumSize;
maxSize = maximumSize;
hfwNumPixels = numPixelsToCover;
}
SizeInfo(const SizeInfo& other) {
(*this)=other;
}
SizeInfo &operator=(const SizeInfo& other) {
expectedPos = other.expectedPos;
expectedSize = other.expectedSize;
sizeHint = other.sizeHint;
minSize = other.minSize;
maxSize = other.maxSize;
hfwNumPixels = other.hfwNumPixels;
return (*this);
}
QPoint expectedPos;
QSize expectedSize;
QSize sizeHint;
QSize minSize;
QSize maxSize;
int hfwNumPixels;
};
typedef QList<SizeInfo> SizeInfoList;
Q_DECLARE_METATYPE(SizeInfoList)
void tst_QGridLayout::minMaxSize_data()
{
// input
QTest::addColumn<QString>("stylename");
QTest::addColumn<int>("columns");
QTest::addColumn<int>("rows");
QTest::addColumn<int>("sizePolicy");
QTest::addColumn<QSize>("fixedSize");
//input and expected output
QTest::addColumn<SizeInfoList>("sizeinfos");
QTest::newRow("3x1 grid, extend to minimumSize") << QString() << 3 << 1
<< int(QSizePolicy::Minimum) << QSize(152, 50) << (SizeInfoList()
<< SizeInfo(QRect(10, 10, 43, 30), QSize( 75, 75), QSize(0,0))
<< SizeInfo(QRect(10 + 45, 10, 43, 30), QSize(75, 75), QSize( 0, 0))
<< SizeInfo(QRect(10 + 45 + 44, 10, 42, 30), QSize(75, 75), QSize( 0, 0))
);
QTest::newRow("1x1 grid, extend to minimumSize") << QString() << 1 << 1
<< int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
<< SizeInfo(QPoint(10, 10), QSize( 90, 90), QSize(100,100))
);
QTest::newRow("2x1 grid, extend to minimumSize") << QString() << 2 << 1
<< int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
<< SizeInfo(QPoint(10, 10), QSize( 90, 90), QSize(100,100))
<< SizeInfo(QPoint(10 + 100 + 1, 10), QSize( 90, 90))
);
QTest::newRow("2x1 grid, extend to minimumSize, windows") << QString::fromLatin1("windows") << 2 << 1
<< int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
<< SizeInfo(QPoint(11, 11), QSize( 90, 90), QSize(100,100))
<< SizeInfo(QPoint(11 + 100 + 6, 11), QSize( 90, 90))
);
QTest::newRow("1x2 grid, extend to minimumSize") << QString() << 1 << 2
<< int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
<< SizeInfo(QPoint(10, 10), QSize( 90, 90), QSize(100,100))
<< SizeInfo(QPoint(10, 10 + 100 + 1), QSize( 90, 90))
);
QTest::newRow("2x1 grid, crop to maximumSize") << QString() << 2 << 1
<< int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
<< SizeInfo(QPoint(10, 10), QSize(110,110), QSize(), QSize(100, 100))
<< SizeInfo(QPoint(10 + 100 + 1, 10), QSize( 90, 90))
);
QTest::newRow("1x2 grid, crop to maximumSize") << QString() << 1 << 2
<< int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
<< SizeInfo(QPoint(10, 10), QSize(110,110), QSize(), QSize(100, 100))
<< SizeInfo(QPoint(10, 10 + 100 + 1), QSize( 90, 90))
);
QTest::newRow("1x3 grid, heightForWidth") << QString() << 1 << 3
<< int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
<< SizeInfo(QPoint(10, 10), QSize(), QSize(200,100), QSize())
<< SizeInfo(QPoint(10, 10 + 100 + 1), QSize(100,100), QSize(), QSize(), 100*100)
<< SizeInfo(QPoint(10, 10 + 100 + 1 + 50 + 1), QSize(100,100), QSize(), QSize(100, 100))
);
}
void tst_QGridLayout::minMaxSize()
{
/*
The test tests a gridlayout as a child of a top-level widget
*/
// input
QFETCH(QString, stylename);
QFETCH(int, columns);
QFETCH(int, rows);
QFETCH(int, sizePolicy);
QFETCH(QSize, fixedSize);
//input and expected output
QFETCH(SizeInfoList, sizeinfos);
QStyle *style = 0;
if (stylename.isEmpty()) {
Qt42Style *s = new Qt42Style;
s->margin_toplevel = 10;
s->margin = 5;
s->spacing = 1;
style = static_cast<QStyle *>(s);
}else{
style = QStyleFactory::create(stylename);
if (!style) {
QSKIP( qPrintable(QString::fromLatin1("Qt has been compiled without style: %1").arg(stylename)));
}
}
QApplication::setStyle(style);
if (!m_grid)
m_grid = new QGridLayout();
if (!m_toplevel) {
m_toplevel = new QWidget();
setFrameless(m_toplevel);
}
if (fixedSize.isValid()) {
m_toplevel->setFixedSize(fixedSize);
} else {
m_toplevel->setMinimumSize(QSize(0,0));
m_toplevel->setMaximumSize(QSize(QWIDGETSIZE_MAX,QWIDGETSIZE_MAX));
}
// Do a two-pass one using the real testdata, the other pass enables heightForWidth
// on the widget, but the heightForWidth() function just return sizeHint().width()
for (int pass = 0; pass < 2; ++pass) {
m_toplevel->hide();
QApplication::processEvents();
QTest::qWait(20);
// Test if removeItem uninitializes data properly
while (m_grid->count()) {
QLayoutItem *item = m_grid->itemAt(0);
m_grid->removeItem(item);
delete item->widget();
delete item;
}
m_toplevel->setLayout(m_grid);
// a layout with a top-level parent widget
QList<QPointer<SizeHinterFrame> > sizehinters;
for (int i = 0; i < rows; ++i) {
for (int j = 0; j < columns; ++j) {
SizeInfo si = sizeinfos.at(sizehinters.count());
int numpixels = si.hfwNumPixels;
if (pass == 1 && numpixels == -1)
numpixels = -2; //### yuk, (and don't fake it if it already tests sizehint)
SizeHinterFrame *sh = new SizeHinterFrame(si.sizeHint, numpixels);
QSizePolicy sp = sh->sizePolicy();
sp.setHorizontalPolicy((QSizePolicy::Policy)sizePolicy);
sh->setSizePolicy(sp);
sh->setParent(m_toplevel);
if (si.minSize.isValid())
sh->setMinimumSize(si.minSize);
if (si.maxSize.isValid())
sh->setMaximumSize(si.maxSize);
sizehinters.append(sh);
m_grid->addWidget(sh, i, j);
}
}
m_toplevel->show();
QVERIFY(QTest::qWaitForWindowExposed(m_toplevel));
m_toplevel->adjustSize();
QTest::qWait(240); // wait for the implicit adjustSize
// If the following fails we might have to wait longer.
// If that does not help there is likely a problem with the implicit adjustSize in show()
if (!fixedSize.isValid()) {
// Note that this can fail if the desktop has large fonts on windows.
QTRY_COMPARE(m_toplevel->size(), m_toplevel->sizeHint());
}
// We are relying on the order here...
for (int pi = 0; pi < sizehinters.count(); ++pi) {
QPoint pt = sizehinters.at(pi)->mapTo(m_toplevel, QPoint(0, 0));
QCOMPARE(pt, sizeinfos.at(pi).expectedPos);
}
}
}
class CustomLayoutStyle : public QProxyStyle
{
Q_OBJECT
public:
CustomLayoutStyle() : QProxyStyle(QStyleFactory::create("windows"))
{
hspacing = 5;
vspacing = 10;
reimplementSubelementRect = false;
}
virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,
const QWidget * widget = 0 ) const;
virtual QRect subElementRect(SubElement sr, const QStyleOption *opt,
const QWidget *widget) const;
int hspacing;
int vspacing;
bool reimplementSubelementRect;
int layoutSpacing(QSizePolicy::ControlType control1,
QSizePolicy::ControlType control2,
Qt::Orientation orientation,
const QStyleOption *option = 0,
const QWidget *widget = 0) const;
};
QRect CustomLayoutStyle::subElementRect(SubElement sr, const QStyleOption *opt,
const QWidget *widget) const
{
QRect rect;
if (reimplementSubelementRect) {
switch (sr) {
case SE_FrameLayoutItem:
rect = opt->rect;
rect.adjust(+4, +9, -4, 0); // The hspacing=5 and vspacing=10, so we keep it safe.
break;
case SE_GroupBoxLayoutItem:
rect = opt->rect.adjusted(0, +10, 0, 0);
break;
default:
break;
}
}
if (rect.isNull())
rect = QProxyStyle::subElementRect(sr, opt, widget);
return rect;
}
#define CT1(c) CT2(c, c)
#define CT2(c1, c2) ((uint)c1 << 16) | (uint)c2
int CustomLayoutStyle::layoutSpacing(QSizePolicy::ControlType control1,
QSizePolicy::ControlType control2,
Qt::Orientation orientation,
const QStyleOption * /*option = 0*/,
const QWidget * /*widget = 0*/) const
{
if (orientation == Qt::Horizontal) {
switch (CT2(control1, control2)) {
case CT1(QSizePolicy::PushButton):
return 2;
break;
}
return 5;
} else {
switch (CT2(control1, control2)) {
case CT1(QSizePolicy::RadioButton):
return 2;
break;
}
return 10;
}
}
int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,
const QWidget * widget /*= 0*/ ) const
{
switch (metric) {
case PM_LayoutLeftMargin:
return 0;
break;
case PM_LayoutTopMargin:
return 3;
break;
case PM_LayoutRightMargin:
return 6;
break;
case PM_LayoutBottomMargin:
return 9;
break;
case PM_LayoutHorizontalSpacing:
return hspacing;
case PM_LayoutVerticalSpacing:
return vspacing;
break;
default:
break;
}
return QProxyStyle::pixelMetric(metric, option, widget);
}
void tst_QGridLayout::styleDependentSpacingsAndMargins_data()
{
// input
QTest::addColumn<int>("columns");
QTest::addColumn<int>("rows");
QTest::addColumn<QSize>("sizehint");
// expected
QTest::addColumn<PointList>("expectedpositions");
QTest::newRow("1x1 grid") << 1 << 1 << QSize(100, 100)
<< (PointList() << QPoint(0, 3) );
QTest::newRow("2x1 grid") << 2 << 1 << QSize(100, 100)
<< (PointList() << QPoint(0, 3)
<< QPoint(0+100+5, 3));
QTest::newRow("3x1 grid") << 3 << 1 << QSize(100, 100)
<< (PointList() << QPoint(0, 3)
<< QPoint(0+100+5, 3)
<< QPoint(0 + 2*105, 3));
QTest::newRow("1x2 grid") << 1 << 2 << QSize(100, 100)
<< (PointList() << QPoint(0, 3)
<< QPoint(0, 3+100+10));
QTest::newRow("1x3 grid") << 1 << 3 << QSize(100, 100)
<< (PointList() << QPoint(0, 3)
<< QPoint(0, 3+100+10)
<< QPoint(0, 3+2*110));
QTest::newRow("2x2 grid") << 2 << 2 << QSize(100, 100)
<< (PointList() << QPoint(0, 3) << QPoint(0+100+5, 3)
<< QPoint(0, 3+100+10) << QPoint(0+100+5, 3+100+10));
}
void tst_QGridLayout::styleDependentSpacingsAndMargins()
{
QFETCH(int, columns);
QFETCH(int, rows);
QFETCH(QSize, sizehint);
QFETCH(PointList, expectedpositions);
QApplication::setStyle(new CustomLayoutStyle());
QWidget widget;
setFrameless(&widget);
QGridLayout layout(&widget);
QList<QPointer<SizeHinterFrame> > sizehinters;
for (int i = 0; i < rows; ++i) {
for (int j = 0; j < columns; ++j) {
SizeHinterFrame *sh = new SizeHinterFrame(sizehint);
sh->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
sh->setParent(&widget);
sizehinters.append(sh);
layout.addWidget(sh, i, j);
}
}
layout.setColumnStretch(columns, 1);
layout.setRowStretch(rows, 1);
widget.show();
widget.adjustSize();
QApplication::processEvents();
for (int pi = 0; pi < expectedpositions.count(); ++pi) {
QCOMPARE(sizehinters.at(pi)->pos(), expectedpositions.at(pi));
}
}
void tst_QGridLayout::layoutSpacing_data()
{
QTest::addColumn<QWidget*>("widget");
// expected
QTest::addColumn<PointList>("expectedpositions");
QTest::addColumn<int>("hSpacing");
QTest::addColumn<int>("vSpacing");
QTest::addColumn<bool>("customSubElementRect");
CustomLayoutStyle *style = new CustomLayoutStyle();
{
// If the layoutSpacing is negative, the layouting code will call
// layoutSpacing()
style->hspacing = -1;
style->vspacing = -1;
style->reimplementSubelementRect = false;
QApplication::setStyle(style);
QWidget *w = new QWidget();
setFrameless(w);
QVBoxLayout *layout = new QVBoxLayout();
QRadioButton *rb1 = new QRadioButton(QLatin1String("Radio 1"), w);
QRadioButton *rb2 = new QRadioButton(QLatin1String("Radio 2"), w);
QRadioButton *rb3 = new QRadioButton(QLatin1String("Radio 3"), w);
layout->addWidget(rb1, 0, Qt::AlignTop | Qt::AlignLeft);
layout->addWidget(rb2, 0, Qt::AlignTop | Qt::AlignLeft);
layout->addWidget(rb3, 0, Qt::AlignTop | Qt::AlignLeft);
QPushButton *b1 = new QPushButton(QLatin1String("Push 1"), w);
QPushButton *b2 = new QPushButton(QLatin1String("Push 2"), w);
QPushButton *b3 = new QPushButton(QLatin1String("Push 3"), w);
layout->addWidget(b1, 0, Qt::AlignTop | Qt::AlignLeft);
layout->addWidget(b2, 0, Qt::AlignTop | Qt::AlignLeft);
layout->addWidget(b3, 0, Qt::AlignTop | Qt::AlignLeft);
layout->addStretch(1);
w->setLayout(layout);
int rh = rb1->sizeHint().height();
int ph = b1->sizeHint().height();
QTest::newRow("1x6, radio + push buttons")
<< w << (PointList()
<< QPoint(0, 3)
<< QPoint(0, 3 + rh + 2)
<< QPoint(0, 3 + 2*(rh + 2))
<< QPoint(0, 3 + 2*(rh + 2) + (rh + 10))
<< QPoint(0, 3 + 2*(rh + 2) + (rh + 10 + ph + 10))
<< QPoint(0, 3 + 2*(rh + 2) + rh + 10 + 2*(ph + 10)))
<< style->hspacing << style->vspacing << style->reimplementSubelementRect;
}
{
style->hspacing = -1;
style->vspacing = -1;
style->reimplementSubelementRect = false;
QApplication::setStyle(style);
QWidget *w = new QWidget();
setFrameless(w);
QHBoxLayout *layout = new QHBoxLayout();
QLineEdit *le1 = new QLineEdit(w);
QLineEdit *le2 = new QLineEdit(w);
QLineEdit *le3 = new QLineEdit(w);
layout->addWidget(le1, 0, Qt::AlignTop | Qt::AlignLeft);
layout->addWidget(le2, 0, Qt::AlignTop | Qt::AlignLeft);
layout->addWidget(le3, 0, Qt::AlignTop | Qt::AlignLeft);
QPushButton *b1 = new QPushButton(QLatin1String("Push 1"), w);
QPushButton *b2 = new QPushButton(QLatin1String("Push 2"), w);
QPushButton *b3 = new QPushButton(QLatin1String("Push 3"), w);
layout->addWidget(b1, 0, Qt::AlignTop | Qt::AlignLeft);
layout->addWidget(b2, 0, Qt::AlignTop | Qt::AlignLeft);
layout->addWidget(b3, 0, Qt::AlignTop | Qt::AlignLeft);
layout->addStretch(1);
w->setLayout(layout);
int lw = le1->sizeHint().width();
int pw = b1->sizeHint().width();
QTest::newRow("6x1, line edit + push buttons")
<< w << (PointList()
<< QPoint(0, 3)
<< QPoint(0 + lw + 5, 3)
<< QPoint(0 + 2*(lw + 5), 3)
<< QPoint(0 + 3*(lw + 5), 3)
<< QPoint(0 + 3*(lw + 5) + 1*(pw + 2), 3)
<< QPoint(0 + 3*(lw + 5) + 2*(pw + 2), 3))
<< style->hspacing << style->vspacing << style->reimplementSubelementRect;
}
{
style->hspacing = 5;
style->vspacing = 10;
style->reimplementSubelementRect = true;
QApplication::setStyle(style);
QWidget *w = new QWidget();
setFrameless(w);
QVBoxLayout *layout = new QVBoxLayout();
QPushButton *pb1 = new QPushButton(QLatin1String("Push 1"), w);
QGroupBox *g1 = new QGroupBox(QLatin1String("GroupBox 1"), w);
QRadioButton *rb = new QRadioButton(QLatin1String("Radio 1"), g1);
QVBoxLayout *g1layout = new QVBoxLayout();
g1layout->addWidget(rb);
g1->setLayout(g1layout);
QPushButton *pb3 = new QPushButton(QLatin1String("Push 3"), w);
layout->addWidget(pb1);
layout->addWidget(g1 );
layout->addWidget(pb3);
w->setLayout(layout);
QSize psh = pb1->sizeHint();
QSize gsh = g1->sizeHint();
QTest::newRow("subElementRect1")
<< w << (PointList()
<< QPoint(0, 3)
<< QPoint(0, 3 + psh.height() + 10 - 10)
<< QPoint(0, 3 + psh.height() + 10 - 10 + gsh.height() + 10)
)
<< style->hspacing << style->vspacing << style->reimplementSubelementRect;
}
{
style->hspacing = 5;
style->vspacing = 10;
style->reimplementSubelementRect = true;
QApplication::setStyle(style);
QWidget *w = new QWidget();
QFont font;
font.setPixelSize(10);
w->setFont(font);
setFrameless(w);
QGridLayout *layout = new QGridLayout();
QPushButton *pb1 = new QPushButton(QLatin1String("Push 1"), w);
QPushButton *pb2 = new QPushButton(QLatin1String("Push 2"), w);
QPushButton *pb3 = new QPushButton(QLatin1String("Push 3"), w);
QPushButton *pb4 = new QPushButton(QLatin1String("Push 4"), w);
layout->addWidget(pb1, 0, 0);
layout->addWidget(pb2, 0, 1);
layout->addWidget(pb3, 0, 2);
layout->addWidget(pb4, 1, 0, Qt::AlignTop);
QFrame *f1 = new QFrame(w);
f1->setFrameStyle(QFrame::Box | QFrame::Plain);
f1->setMinimumSize(100, 20);
f1->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
layout->addWidget(f1, 1, 1, Qt::AlignTop);
QPushButton *pb6 = new QPushButton(QLatin1String("Push 6"), w);
QPushButton *pb7 = new QPushButton(QLatin1String("Push 7"), w);
QPushButton *pb8 = new QPushButton(QLatin1String("Push 8"), w);
QPushButton *pb9 = new QPushButton(QLatin1String("Push 9"), w);
layout->addWidget(pb6, 1, 2, Qt::AlignTop);
layout->addWidget(pb7, 2, 0, Qt::AlignTop);
layout->addWidget(pb8, 2, 1, Qt::AlignTop);
layout->addWidget(pb9, 2, 2, Qt::AlignTop);
layout->setColumnStretch(2, 1);
layout->setRowStretch(2, 1);
w->setLayout(layout);
int c[3];
c[0] = pb1->sizeHint().width();
c[1] = f1->minimumSize().width() - 2*4;
c[2] = pb3->sizeHint().width();
int r[3];
r[0] = pb1->sizeHint().height();
r[1] = pb4->sizeHint().height();
r[2] = pb7->sizeHint().height();
QTest::newRow("subElementRect2")
<< w << (PointList()
<< QPoint(0, 3)
<< QPoint(0 + c[0] + 5, 3)
<< QPoint(0 + c[0] + 5 + c[1] + 5, 3)
<< QPoint(0, 3 + r[0] + 10)
<< QPoint(0 + c[0] + 5 - 4, 3 + r[0] + 10 - 9)
<< QPoint(0 + c[0] + 5 + c[1] + 5, 3 + r[0] + 10)
<< QPoint(0, 3 + r[0] + 10 + r[1] + 10)
<< QPoint(0 + c[0] + 5, 3 + r[0] + 10 + r[1] + 10)
<< QPoint(0 + c[0] + 5 + c[1] + 5, 3 + r[0] + 10 + r[1] + 10)
)
<< style->hspacing << style->vspacing << style->reimplementSubelementRect;
}
{
style->hspacing = 5;
style->vspacing = 10;
style->reimplementSubelementRect = true;
QApplication::setStyle(style);
QWidget *w = new QWidget();
setFrameless(w);
QVBoxLayout *layout = new QVBoxLayout();
QPushButton *pb1 = new QPushButton(QLatin1String("Push 1"), w);
QGroupBox *g1 = new QGroupBox(QLatin1String("GroupBox 1"), w);
QRadioButton *rb = new QRadioButton(QLatin1String("Radio 1"), g1);
QVBoxLayout *g1layout = new QVBoxLayout();
g1layout->addWidget(rb);
g1->setLayout(g1layout);
QPushButton *pb3 = new QPushButton(QLatin1String("Push 3"), w);
pb1->setAttribute(Qt::WA_LayoutUsesWidgetRect, true);
g1->setAttribute(Qt::WA_LayoutUsesWidgetRect, true);
pb3->setAttribute(Qt::WA_LayoutUsesWidgetRect, true);
layout->addWidget(pb1);
layout->addWidget(g1 );
layout->addWidget(pb3);
w->setLayout(layout);
QSize psh = pb1->sizeHint();
QSize gsh = g1->sizeHint();
QTest::newRow("subElementRect1, use widgetRect")
<< w << (PointList()
<< QPoint(0, 3)
<< QPoint(0, 3 + psh.height() + 10)
<< QPoint(0, 3 + psh.height() + 10 + gsh.height() + 10)
)
<< style->hspacing << style->vspacing << style->reimplementSubelementRect;
}
{
style->hspacing = 5;
style->vspacing = 10;
style->reimplementSubelementRect = true;
QApplication::setStyle(style);
QWidget *w = new QWidget();
setFrameless(w);
QVBoxLayout *layout = new QVBoxLayout();
QPushButton *pb1 = new QPushButton(QLatin1String("Push 1"), w);
QGroupBox *g1 = new QGroupBox(QLatin1String("GroupBox 1"), w);
QRadioButton *rb = new QRadioButton(QLatin1String("Radio 1"), g1);
QVBoxLayout *g1layout = new QVBoxLayout();
g1layout->addWidget(rb);
g1->setLayout(g1layout);
QPushButton *pb3 = new QPushButton(QLatin1String("Push 3"), w);
pb1->setAttribute(Qt::WA_LayoutUsesWidgetRect, false);
g1->setAttribute(Qt::WA_LayoutUsesWidgetRect, false);
pb3->setAttribute(Qt::WA_LayoutUsesWidgetRect, false);
layout->addWidget(pb1);
layout->addWidget(g1 );
layout->addWidget(pb3);
w->setLayout(layout);
QSize psh = pb1->sizeHint();
QSize gsh = g1->sizeHint();
QTest::newRow("subElementRect1, use layoutItemRect")
<< w << (PointList()
<< QPoint(0, 3)
<< QPoint(0, 3 + psh.height() + 10 - 10)
<< QPoint(0, 3 + psh.height() + 10 - 10 + gsh.height() + 10)
)
<< style->hspacing << style->vspacing << style->reimplementSubelementRect;
}
{
/* A 3x4 gridlayout, modified arrowpad example:
* [PB]
* [PB] [PB]
* |PB|
* | |
* | |
*
* Here the bottom pushbutton has a span
*/
style->hspacing = -1;
style->vspacing = -1;
style->reimplementSubelementRect = false;
QApplication::setStyle(style);
QWidget *w = new QWidget();
setFrameless(w);
QGridLayout *layout = new QGridLayout();
QPushButton *left = new QPushButton(w);
QPushButton *up = new QPushButton(w);
QPushButton *right = new QPushButton(w);
QPushButton *down = new QPushButton(w);
layout->addWidget(up, 0, 1);
layout->addWidget(left, 1, 0);
layout->addWidget(right, 1, 2);
layout->addWidget(down, 2, 1, 3, 1);
w->setLayout(layout);
int pw = up->sizeHint().width();
int ph = up->sizeHint().height();
QTest::newRow("arrowpad with span")
<< w << (PointList()
<< QPoint(0 + pw + 5, 3)
<< QPoint(0, 3 + ph + 10)
<< QPoint(0 + pw + 5 + pw + 5, 3 + ph + 10)
<< QPoint(0 + pw + 5, 3 + ph + 10 + ph + 10)
)
<< style->hspacing << style->vspacing << style->reimplementSubelementRect;
}
for (int yoff = 0; yoff < 5; ++yoff)
{
for (int xoff = 0; xoff < 5; ++xoff) {
/* A 3x4 gridlayout, modified arrowpad example:
* [empty cells]
* [PB]
* [PB] [PB]
* [PB]
*
* It has 0-4 empty rows at the top and 0-4 empty columns to the left.
*/
style->hspacing = -1;
style->vspacing = -1;
style->reimplementSubelementRect = false;
QApplication::setStyle(style);
QWidget *w = new QWidget();
setFrameless(w);
QGridLayout *layout = new QGridLayout();
QPushButton *left = new QPushButton(w);
QPushButton *up = new QPushButton(w);
QPushButton *right = new QPushButton(w);
QPushButton *down = new QPushButton(w);
layout->addWidget(up, yoff + 0, xoff + 1);
layout->addWidget(left, yoff + 1, xoff + 0);
layout->addWidget(right, yoff + 1, xoff + 2);
layout->addWidget(down, yoff + 2, xoff + 1, 3, 1);
w->setLayout(layout);
int pw = up->sizeHint().width();
int ph = up->sizeHint().height();
QByteArray testName = QString::fromLatin1("arrowpad with %1 empty rows, %2 empty columns").arg(yoff).arg(xoff).toLatin1();
QTest::newRow(testName.data())
<< w << (PointList()
<< QPoint(0 + pw + 5, 3)
<< QPoint(0, 3 + ph + 10)
<< QPoint(0 + pw + 5 + pw + 5, 3 + ph + 10)
<< QPoint(0 + pw + 5, 3 + ph + 10 + ph + 10)
)
<< style->hspacing << style->vspacing << style->reimplementSubelementRect;
}
}
}
void tst_QGridLayout::layoutSpacing()
{
QFETCH(QWidget *, widget);
QFETCH(PointList, expectedpositions);
QFETCH(int, hSpacing);
QFETCH(int, vSpacing);
QFETCH(bool, customSubElementRect);
QWidget toplevel;
setFrameless(&toplevel);
CustomLayoutStyle *style = new CustomLayoutStyle();
style->hspacing = hSpacing;
style->vspacing = vSpacing;
style->reimplementSubelementRect = customSubElementRect;
QApplication::setStyle(style);
widget->setParent(&toplevel);
widget->resize(widget->sizeHint());
toplevel.show();
QVERIFY(QTest::qWaitForWindowExposed(&toplevel));
QLayout *layout = widget->layout();
QVERIFY(layout);
//QTest::qWait(2000);
for (int pi = 0; pi < expectedpositions.count(); ++pi) {
QLayoutItem *item = layout->itemAt(pi);
//qDebug() << item->widget()->pos();
QCOMPARE(item->widget()->pos(), expectedpositions.at(pi));
}
}
void tst_QGridLayout::spacing()
{
QWidget w;
setFrameless(&w);
CustomLayoutStyle *style = new CustomLayoutStyle();
style->hspacing = 5;
style->vspacing = 10;
w.setStyle(style);
QGridLayout grid(&w);
QCOMPARE(style->hspacing, grid.horizontalSpacing());
QCOMPARE(style->vspacing, grid.verticalSpacing());
QCOMPARE(grid.spacing(), -1);
grid.setVerticalSpacing(5);
QCOMPARE(5, grid.horizontalSpacing());
QCOMPARE(5, grid.verticalSpacing());
QCOMPARE(grid.spacing(), 5);
grid.setVerticalSpacing(-1);
QCOMPARE(style->hspacing, grid.horizontalSpacing());
QCOMPARE(style->vspacing, grid.verticalSpacing());
style->hspacing = 5;
style->vspacing = 5;
QCOMPARE(grid.spacing(), 5);
grid.setHorizontalSpacing(20);
QCOMPARE(grid.spacing(), -1);
style->vspacing = 20;
QCOMPARE(grid.horizontalSpacing(), 20);
QCOMPARE(grid.verticalSpacing(), 20);
QCOMPARE(grid.spacing(), 20);
grid.setHorizontalSpacing(-1);
QCOMPARE(grid.spacing(), -1);
style->hspacing = 20;
QCOMPARE(grid.spacing(), 20);
delete style;
}
void populate(QGridLayout *layout, int row, int kind)
{
if (kind == 0) {
QWidget *widget = new QWidget;
widget->setFixedSize(100, 100);
layout->addWidget(widget, row, 0);
} else if (kind == 1) {
layout->addItem(new QSpacerItem(10, 10), row, 0);
}
}
void tst_QGridLayout::spacerWithSpacing()
{
// Tests all combinations of widget (w), spacer (s) and no layoutitem (-)
// to see if they are laid out correctly.
// Note that a combination of "s-" or "-s" should only give the height of "s"
const int expectedHeight[] = {
302,// www
211,// wws
201,// ww-
211,// wsw
120,// wss
110,// ws-
201,// w-w
110,// w-s
100,// w--
211,// sww
120,// sws
110,// sw-
120,// ssw
30,// sss
20,// ss-
110,// s-w
20,// s-s
10,// s--
201,// -ww
110,// -ws
100,// -w-
110,// -sw
20,// -ss
10,// -s-
100,// --w
10,// --s
000 // ---
};
int ii = 0;
for (int i = 0; i < 3; ++i) {
for (int j = 0; j < 3; ++j) {
for (int k = 0; k < 3; ++k) {
QWidget window;
QGridLayout layout(&window);
layout.setSpacing(1);
layout.setMargin(0);
populate(&layout, 0, i);
populate(&layout, 1, j);
populate(&layout, 2, k);
QCOMPARE(window.sizeHint().height(), expectedHeight[ii]);
++ii;
}
}
}
}
void tst_QGridLayout::contentsRect()
{
QWidget w;
setFrameless(&w);
QGridLayout grid;
w.setLayout(&grid);
grid.addWidget(new QPushButton(&w));
w.show();
QVERIFY(QTest::qWaitForWindowExposed(&w));
int l, t, r, b;
grid.getContentsMargins(&l, &t, &r, &b);
QRect geom = grid.geometry();
QCOMPARE(geom.adjusted(+l, +t, -r, -b), grid.contentsRect());
}
void tst_QGridLayout::distributeMultiCell()
{
QWidget w;
Qt42Style *style = new Qt42Style();
style->spacing = 9;
w.setStyle(style);
QGridLayout grid;
w.setLayout(&grid);
SizeHinter le1(200, 20, &w);
le1.setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed));
SizeHinter le2(200, 20, &w);
le2.setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed));
SizeHinter box(80, 57, &w);
box.setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding));
box.setMinimumSize(80, 57);
grid.addWidget(&le1, 0, 0, 1, 1);
grid.addWidget(&le2, 1, 0, 1, 1);
grid.addWidget(&box, 0, 1, 2, 1);
QCOMPARE(box.sizeHint().height(), 57);
QCOMPARE(w.sizeHint().height(), 11 + 57 + 11);
}
void tst_QGridLayout::taskQTBUG_27420_takeAtShouldUnparentLayout()
{
QSharedPointer<QGridLayout> outer(new QGridLayout);
QPointer<QGridLayout> inner = new QGridLayout;
outer->addLayout(inner, 0, 0);
QCOMPARE(outer->count(), 1);
QCOMPARE(inner->parent(), outer.data());
QLayoutItem *item = outer->takeAt(0);
QCOMPARE(item->layout(), inner.data());
QVERIFY(!item->layout()->parent());
outer.reset();
if (inner)
delete item; // success: a taken item/layout should not be deleted when the old parent is deleted
else
QVERIFY(!inner.isNull());
}
void tst_QGridLayout::taskQTBUG_40609_addingWidgetToItsOwnLayout(){
QWidget widget;
widget.setObjectName("9bb37ca762aeb7269b8");
QGridLayout layout(&widget);
layout.setObjectName("d631e91a35f2b66a6dff35");
QTest::ignoreMessage(QtWarningMsg, "QLayout: Cannot add a null widget to QGridLayout/d631e91a35f2b66a6dff35");
layout.addWidget(Q_NULLPTR, 0, 0);
QCOMPARE(layout.count(), 0);
QTest::ignoreMessage(QtWarningMsg, "QLayout: Cannot add parent widget QWidget/9bb37ca762aeb7269b8 to its child layout QGridLayout/d631e91a35f2b66a6dff35");
layout.addWidget(&widget, 0, 0);
QCOMPARE(layout.count(), 0);
}
void tst_QGridLayout::taskQTBUG_40609_addingLayoutToItself(){
QWidget widget;
widget.setObjectName("0373d417fffe2c59c6fe543");
QGridLayout layout(&widget);
layout.setObjectName("5d79e1b0aed83f100e3c2");
QTest::ignoreMessage(QtWarningMsg, "QLayout: Cannot add a null layout to QGridLayout/5d79e1b0aed83f100e3c2");
layout.addLayout(Q_NULLPTR, 0, 0);
QCOMPARE(layout.count(), 0);
QTest::ignoreMessage(QtWarningMsg, "QLayout: Cannot add layout QGridLayout/5d79e1b0aed83f100e3c2 to itself");
layout.addLayout(&layout, 0, 0);
QCOMPARE(layout.count(), 0);
}
void tst_QGridLayout::replaceWidget()
{
QWidget wdg;
QGridLayout *l = new QGridLayout();
const int itemCount = 9;
QLabel *labels[itemCount];
// setup layout
for (int n = 0; n < itemCount; ++n) {
int x = n % 3;
int y = n / 3;
labels[n] = new QLabel(QString("label %1").arg(n));
Qt::Alignment align = (n % 3 ? Qt::AlignLeft : Qt::AlignRight);
l->addWidget(labels[n], x * 3, y * 3, (n % 2) + 1, (n + 1) % 2 + 1, align);
}
wdg.setLayout(l);
// iterate and replace
for (int n = 0; n < itemCount; n += 2) {
int i = l->indexOf(labels[n]);
int fromRow, fromCol, fromRowSpan, fromColSpan;
l->getItemPosition(i, &fromRow, &fromCol, &fromRowSpan, &fromColSpan);
Qt::Alignment fromAlign = l->itemAt(i)->alignment();
// do replace
QPushButton *pb = new QPushButton("replaced");
QLayoutItem *olditem = l->replaceWidget(labels[n], pb);
// verify
QCOMPARE(i, l->indexOf(pb));
QVERIFY(olditem != 0);
QCOMPARE(l->indexOf(labels[n]), -1);
int toRow, toCol, toRowSpan, toColSpan;
l->getItemPosition(i, &toRow, &toCol, &toRowSpan, &toColSpan);
QCOMPARE(fromRow, toRow);
QCOMPARE(fromCol, toCol);
QCOMPARE(fromRowSpan, toRowSpan);
QCOMPARE(fromColSpan, toColSpan);
Qt::Alignment toAlign = l->itemAt(i)->alignment();
QCOMPARE(fromAlign, toAlign);
// clean up
olditem->widget()->deleteLater();
delete olditem;
}
}
QTEST_MAIN(tst_QGridLayout)
#include "tst_qgridlayout.moc"
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